{"id":4440,"date":"2023-07-11T02:34:12","date_gmt":"2023-07-11T02:34:12","guid":{"rendered":"https:\/\/statorials.org\/id\/r-periksa-apakah-beberapa-kolom-sama\/"},"modified":"2023-07-11T02:34:12","modified_gmt":"2023-07-11T02:34:12","slug":"r-periksa-apakah-beberapa-kolom-sama","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/r-periksa-apakah-beberapa-kolom-sama\/","title":{"rendered":"A: bagaimana cara memeriksa apakah beberapa kolom sama"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan metode berikut untuk memeriksa apakah beberapa kolom sama dalam bingkai data di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Periksa apakah semua kolom sama<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#create new column that checks if all columns are equal\n<\/span>df &lt;- df %&gt;%\n        rowwise %&gt;%\n        mutate(match = n_distinct(unlist(cur_data())) == <span style=\"color: #008000;\">1<\/span> ) %&gt;%\n        A group()\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: Periksa apakah kolom tertentu sama<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#create new column that checks if columns 'A', 'C', and 'D' are equal\n<\/span>df_temp &lt;- df %&gt;%\n             select(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> ', ' <span style=\"color: #ff0000;\">D<\/span> ') %&gt;%\n             rowwise %&gt;%\n             mutate(match = n_distinct(unlist(cur_data())) == <span style=\"color: #008000;\">1<\/span> ) %&gt;%\n             A group()\n\n<span style=\"color: #008080;\">#add new column to existing data frame\n<\/span>df$match &lt;- df_temp$match\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan setiap metode dalam praktik dengan kerangka data berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df = data. <span style=\"color: #3366ff;\">frame<\/span> (A=c(4, 0, 3, 3, 6, 8, 7),\n                B=c(4, 2, 3, 5, 6, 4, 7),\n                C=c(4, 0, 3, 3, 5, 10, 7),\n                D=c(4, 0, 3, 3, 3, 8, 7))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  ABCD\n1 4 4 4 4\n2 0 2 0 0\n3 3 3 3 3\n4 3 5 3 3\n5 6 6 5 3\n6 8 4 10 8\n7 7 7 7 7<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Contoh 1: Periksa<\/strong><\/span> <span style=\"color: #000000;\"><strong>apakah semua kolom sama<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan sintaks berikut untuk memeriksa apakah nilai setiap kolom dalam bingkai data sama untuk setiap baris:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#create new column that checks if all columns are equal\n<\/span>df &lt;- df %&gt;%\n        rowwise %&gt;%\n        mutate(match = n_distinct(unlist(cur_data())) == <span style=\"color: #008000;\">1<\/span> ) %&gt;%\n        A group()\n\n<span style=\"color: #008080;\">#view updated data frame<\/span>\ndf\n\n# A tibble: 7 x 5\n      ABCD match\n      \n1 4 4 4 4 TRUE \n2 0 2 0 0 FALSE\n3 3 3 3 3 TRUE \n4 3 5 3 3 FALSE\n5 6 6 5 3 FALSE\n6 8 4 10 8 FALSE\n7 7 7 7 7 TRUE \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Jika nilai setiap kolom sama, kolom <strong>yang cocok<\/strong> akan mengembalikan <strong>True<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika tidak, ia akan mengembalikan <strong>False<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa Anda dapat mengonversi nilai <strong>Benar<\/strong> dan <strong>Salah<\/strong> menjadi <strong>1<\/strong> dan <strong>0<\/strong> menggunakan <strong>as.numeric()<\/strong> sebagai berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#create new column that checks if all columns are equal\n<\/span>df &lt;- df %&gt;%\n        rowwise %&gt;%\n        mutate(match = as. <span style=\"color: #3366ff;\">numeric<\/span> (n_distinct(unlist(cur_data())) == <span style=\"color: #008000;\">1<\/span> )) %&gt;%\n        A group()\n\n<span style=\"color: #008080;\">#view updated data frame<\/span>\ndf\n\n# A tibble: 7 x 5\n      ABCD match\n      \n1 4 4 4 4 1\n2 0 2 0 0 0\n3 3 3 3 3 1\n4 3 5 3 3 0\n5 6 6 5 3 0\n6 8 4 10 8 0\n7 7 7 7 7 1\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Contoh 2: Periksa apakah kolom tertentu sama<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan sintaks berikut untuk memeriksa apakah nilai di kolom A, C, dan D dari bingkai data sama untuk setiap baris:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#create new column that checks if columns 'A', 'C', and 'D' are equal\n<\/span>df_temp &lt;- df %&gt;%\n             select(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> ', ' <span style=\"color: #ff0000;\">D<\/span> ') %&gt;%\n             rowwise %&gt;%\n             mutate(match = n_distinct(unlist(cur_data())) == <span style=\"color: #008000;\">1<\/span> ) %&gt;%\n             A group()\n\n<span style=\"color: #008080;\">#add new column to existing data frame\n<\/span>df$match &lt;- df_temp$match\n\n<span style=\"color: #008080;\">#view updated data frame<\/span>\ndf\n\n  ABCD match\n1 4 4 4 4 TRUE\n2 0 2 0 0 TRUE\n3 3 3 3 3 TRUE\n4 3 5 3 3 TRUE\n5 6 6 5 3 FALSE\n6 8 4 10 8 FALSE\n7 7 7 7 7 TRUE\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Jika nilai di kolom A, C, dan D sama, kolom <strong>yang cocok<\/strong> akan mengembalikan <strong>True<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika tidak, ia akan mengembalikan <strong>False<\/strong> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan tugas umum lainnya di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/urutkan-berdasarkan-beberapa-kolom-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara mengurutkan berdasarkan beberapa kolom di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/r-simpan-kolom\/\" target=\"_blank\" rel=\"noopener\">Bagaimana cara mempertahankan kolom tertentu di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/r-hitung-jumlah-kemunculan-di-kolom\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung jumlah kemunculan pada kolom di R<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan metode berikut untuk memeriksa apakah beberapa kolom sama dalam bingkai data di R: Metode 1: Periksa apakah semua kolom sama library (dplyr) #create new column that checks if all columns are equal df &lt;- df %&gt;% rowwise %&gt;% mutate(match = n_distinct(unlist(cur_data())) == 1 ) %&gt;% A group() Metode 2: Periksa apakah kolom [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A: Cara memeriksa apakah beberapa kolom sama - 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